<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="/static/js/axios.js"></script>
    <script src="/static/js/vue.js"></script>
    <script src="/static/js/jquery-3.6.0.min.js"></script>
</head>
<body>
    <div id="app">
        <button v-on:click="removeItems">delete</button>
        <todo>
            <todo-title slot="todo-title-in_todo" v-bind:title="title"></todo-title>
            <todo-items slot="todo-items-in_todo" v-for="(item,index) in todoItems" v-bind:item="item" v-bind:index="index"
            v-on:remove="removeItems(index)"></todo-items>
        </todo>
    </div>
</body>
<script>
    Vue.component("todo" ,{
        template: "<div>\
                        <slot name='todo-title-in_todo'></slot>\
                        <ul>\
                            <slot name='todo-items-in_todo'></slot>\
                        </ul>\
                    </div>"
    });
    Vue.component("todo-title" ,{
        props: ["title"],
        template: "<div>{{title}}</div>"
    });
    Vue.component("todo-items" ,{
        props: ["item","index"],
        template: '<li>{{ index }}----{{ item }} <button @click="remove">delete</button></li>',
        methods: {
            remove: function (index){
                console.log("remove");
                this.$emit('remove', index);
            }
        }
    });

    var vm = new Vue({
        el: "#app",
        data: {
            title: null,
            todoItems: null
        },
        methods: {
            removeItems: function (index){
                console.log("removeItems: "+this.todoItems[index]);
                this.todoItems.splice(index, 1);
            }
        },
        mounted() {
            axios.get("/static/data.json").then(response=>(
                console.log(response.data),
                this.todoItems = response.data.slot,
                this.title = response.data.title
            ))
        },
    });
</script>
</html>